Writing pen



' June 24, 1930.

G. .1. SENGBUSCH 1,767,189

WRITING PEN- Filed Jan. 7, 1927 Gum J52 @[uwc/L 5 2 H w 2 WW Q J A 6 :2

Patented June 24, 1930 GUSTAV J". SENGIBUSCH, OF MILWAUKEE, WISCONSINWRITING PEN This invention relates to writing pens and more particularlyto pens which are adapted to write with ink or similar writing fluid fora considerable length of time, with one dipping of the pen in anink-well containing ink.

The objects of the invention are to provide a pen of the above describedclass which will be simple in construction, comprise relatively fewparts, capable of being easily cleaned, and which will be durable andnot readily rendered inoperative.

It is also an object of the present invention to provide a pen havingthe advantages of a fountain pen but which will be light in weight andcomfortable to the penman when in use.

Other objects and advantages will be; understood by reference to thefollowing specification and attached drawing illustrating a selectedembodiment of myinvention, in

which drawing:

Fig. 1 is an elevation. Fig. 2 is a section on the line 22 of Fig. 1 onan enlarged scale.

Fig. 3 is an elevation of an element of the pen, and

Fig. 4 is a section on the line 4.4 of

- Fig. 3. 7 Referring now to the drawings, I have indicated in Fig. 1 apen comprising a penpoint 5 and a pen-holder, 6, which in appearanceconstitute a common and well known type of pen. The pen-point 500m 85prises a conventional pen-point having a concave underside 7, and anibor writing end 8 to which ink is fed, partly through a slit 9 in theouter end portion of the'penpoint which slit terminates in an aperture10 at its upper end.

Underneath the pen-point 5, I provide a feed bar 11 having a convexupper portion 12 which more or less snugly fits within the concaveunderside of the pen-point. The

feed bar 11 and pen-point 5 are mounted .in cooperative positionpreferably by means of a mounting tip 13 having an aperture 14 extendingtherethrough for receiving the said bar and pen-point as clearlyindicated in Fig. 2. I prefer to taper. the bar 11 Application filedJanuary 7, 1927. Serial No. 159,680.

somewhat towards its inner end and the aperture 14 in the mounting tipis similarly tapered whereby the bar 11 is positioned within the tip andthe pen-point is tightly clamped between the wall. of the aperture andthe wall of the feed bar. In practice I find it convenient to make thefeed bar 11 substantially circular in cross section since the resultingconvex surface 12 fits the con-' vex under side of the pen 5 withsufficient snugness.

An extension 15, preferably a hollow cylindrical member tapered towardsits outer end and there closed as indicated .at 16, constitutes a handlewhereby the pen may be easily and comfortably gripped. The extension 15is open at one end as indicated at 17 and receives a portion 18 of thetip which is reduced in diameter so as to snugly fit within the open endof the extension. A shoulder 19 formed on the tip by the said reducedportion, engages the end of the extension and thereby limits inwardmovement of the tip in the extension. The outer end of the feed bar 11is cut away as indicated at 20.so as to avoid an otherwise large andcumbersome writing end. The remaining outer portion of the pen isprovided with a plurality of independent or unconnected relativelydeep'but narrow notches or slots 21'21, which preferably extendtransversely across the. top of the bar and downwardly across thesidesas indicated at 22--22. The width of the slots, that is, the dimensionbetween their opposite faces is preferably considerably less than thedepth of the slots. By thus slotting the bar, I provide a comparativelylarge amount of wall area which constitutes the faces ofithe slots 21,which faces, by means of capillary attraction are' adapted to retain acomparatively large amount of ink or other writing fluid in the .saidslots which, in effect, constitute reservoirs for holding a supply ofthe said writing fluid. will be seen that'the bar is arranged so that.the slots open towards the concave face of 1/. the pen-point, and sothat the penepoint constitutes a top closure for all of the slots. Itwill be apparent that .ink held by the 1 From an inspection of Fig. 2 itr slots 21 will readily be conveyed to the penoint as fast as the ink isdrawn therefrom. t will also be noted that by providing a plurality ofunconnected slots, 1. e., a pluralit of slots without a connectingchannel or t e like, and also b providing a relatively large amount 0wall area for the quantity of ink which is to be held in the slots, thetendency for the ink to flow too rapidly from the slots is overcomewhereby blotting of the work does not readily occur. In order to furtherincrease the amount of wall area I prefer to arrange the slots 21 on anan 1e as clearly shown in Figs. 2 and 3. I pre er that the angle atwhich these slots are arran ed should be such that when the pen is he din upright position, the slots will be downwardly inclined towards thewriting end of the pen-point which inclination is effective tofacilitate feeding all of the ink carried byvthe slots to the pen-point.I am aware that changes in the form, construction and proportion ofparts may be made without departing from the spirit of the invention asdefined in the following claims.

I claim as my invention: 1. In a pen of the class combination of a penpoint, a solid feed bar formed with a plurality of unconnected slotsextending across the top, and down the sides of said feed bar andconstituting independent reservoirs, each adapted, when said barv isdipped in writin fluid, -to retain therein a quantity of sai fluid, andmeans for mounting said pen point and feed bar in cooperative positionso that the feed bar is capable of feeding the fluid in said reservoirsto the nib of said pen point.

described, the

to flow to the pen point when'the pen is in writing position, and aholder for maintaining said pen point and feed bar in (:00 erativeosition with the slots in the fee bar opening to the bottom side of thepen point so as to feed the fluid in said slots to said pen point.

, 4. A feeder bar for dip pens comprising a body portion having a shankportion to enter a pen holder, the'bar portion in front of the shankhaving a plurality of inde- 2. In a pen of the class described, the com-I bination of a convexo-concave pen point, a solid'feed bar having amajor portion of its cross section lying in the cavity of said penpoint, and a pen holder having means for mounting said pen point andfeed bar in cooperatlve position, said feed bar being formed with aplurality of unconnected inverted U-shaped slots constituting reservoirsfor holding a quantity of writing fluid,

said slots lying transversely of said feed bar and being inclined fromtheir bottoms toward the nib of said pen point.

3. In a pen of the class described, the combination of a pen point, afeed bar associated with said pen point and having a plurality oftransverse unconnected slots therein forming independent reservoirs forcontaining writing fluid, said slots being of such width that thecapillarity of the opposite walls thereof is efiective to hold insaidslots, substantially their full capacity of writing fluid, and saidslots being inclined from their bottoms outwardly and forwardly towardsthe nib of said pen point, whereby writing fluid contained byisaid slotstends llO

